During a review of environmental requirements before ordering an IBM System z9 server and IBM System Storage DS8700， the customer states that the available power is 220 volts AC. 
Which feature should be included with the DS8700 order（）  

A client has bought an IBM System Storage DS8000 and needs to attach a Sun Solaris Host with 2 HBAs via one fabric to 4 I/O ports on the DS8000. The client needs redundant paths to the volumes on the DS8000. 
What is the maximum number of volumes that can be used on the Solaris host（）

A storage specialist wants to create a fixed-block volume in the extent pool P10， in rank group 0.  
Which of these volumes cannot be created（）